Universal Service Obligation (USO) - The USO is the obligation placed on universal service providers to ensure that standard telephone services, payphones and prescribed carriage services are reasonably accessible to all people in Australia

Internet Service Providers (ISP) and online content for the public and for industry

Voice over Internet Provider (VoIP) - VoIP telephone services are provided by carriers and carriage service providers (CSPs) that use telecommunications networks to supply communications services to the public